我有时候在白天工作，有时候在晚上工作。

Sometimes I work in the day and sometimes at night.

youdao

有时候我白天工作，有时候晚上工作。

Sometimes I work in the day but sometimes at night.

youdao

有时我需要在晚上工作。但是通常这不是一个问题。

Sometimes I need to work in the evening but usually it isn't a problem.

youdao

有时我需要在晚上工作。但是通常这不是一个问题。

Sometimes I need to work in the evening but usually it isn't a problem.

youdao